The sum of a finite geometric series – problems Student activity Play

The sum of a finite geometric series – problems Whiteboard exercise Play

The sum of a finite geometric series – problems Whiteboard exercise Play

The sum of infinite geometric series Whiteboard exercise Play

The  nth term rule for the geometric sequence Whiteboard exercise Play

True or false? Animation Play

Types of reasoning Animation Play

Types of reasoning I Student activity Play

Types of reasoning II Student activity Play

Understanding the theorem Class activity Play

Understanding the theorem Whiteboard presentation Play

Using the factor form of the function in solving geometric problems Whiteboard exercise Play

Using the nth term rule for a geometric sequence Student activity Play

When is a sentence a statement? Animation Play

When is a theorem false? Animation Play

When is a theorem false? The counterexample Student activity Play